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Updated: May 16, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
[Ruptured fusiform aneurysm of the supreme anterior communicating artery: a case report]
Hiroshi Saito1, Tatsuya Ishikawa, Hajime Miyata
1Department of Surgical Neurology, Research Institute for Brain and Blood Vessels, Akita, Japan.
Abstract:
The supreme anterior communicating artery (SAcom) is a very rare anomaly that appears as a communicating artery between the anterior cerebral arteries (ACAs). This anomaly was first reported by Laitinen and Snellman in 1960. They described the SAcom as a connection between both pericallosal bifurcations. They also suggest that the SAcom may be an embryological remnant and a cause of aneurysm formation. A distal ACA aneurysm can be associated with the SAcom. In this case report, we describe a ruptured fusiform aneurysm originating from the SAcom. We treated the patient by trapping the SAcom along with the aneurysm. This is the first case report regarding a ruptured fusiform aneurysm originating from the SAcom itself.
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